Group I Elements Starter Kit Back Catalog number: 52253 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2125.12-K-IOX10 Arochlor 1221 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11104-28-2 Price on request PN-68S 1,2,3,5,6,8-Hexachloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request 72349 Carbosulfan Price on request